CVE-2026-23687

XML Signature Wrapping in SAP NetWeaver AS ABAP and ABAP Platform

HIGH
8.8
CVSS Score
Published: February 10, 2026 at 03:02 AM UTC
Updated: June 17, 2026 at 10:21 AM UTC
3 products affected across 1 vendorSAP BasisNetWeaver Application Server ABAPABAP Platform

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Severity
HIGH8.8
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

Description

SAP NetWeaver Application Server ABAP and ABAP Platform allows an authenticated attacker with normal privileges to obtain a valid signed message and send modified signed XML documents to the verifier. This may result in acceptance of tampered identity information, unauthorized access to sensitive user data and potential disruption of normal system usage.

Affected

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (3)

Permissions Required
Source: cverecord
https://me.sap.com/notes/3697567
Vendor Advisory
Source: cverecord
https://url.sap/sapsecuritypatchday
Source: af854a3a-2127-422b-91ae-364da2661108
http://seclists.org/fulldisclosure/2026/Jun/1

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHsap
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-347

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